make solarwinds cursor read from file more resilient
make solarwinds cursor read from file more resilient

0312birdzhang/alerta,mrkeng/alerta,guardian/alerta,skob/alerta,mrkeng/alerta,skob/alerta,skob/alerta,guardian/alerta,0312birdzhang/alerta,guardian/alerta,0312birdzhang/alerta,guardian/alerta,skob/alerta,mrkeng/alerta,mrkeng/alerta